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<div><a href="../../index.html">Home</a> &gt;  <a href="#">tt2</a> &gt; <a href="index.html">@tt_tensor</a> &gt; chunk.m</div>

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<h1>chunk
</h1>

<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="box"><strong>Cut the (i,j) part out of the TT-tensor</strong></div>

<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="box"><strong>function [b]=chunk(b,i,j) </strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre class="comment">Cut the (i,j) part out of the TT-tensor
   [B]=CHUNK(B,I,J)


 TT-Toolbox 2.2, 2009-2012

This is TT Toolbox, written by Ivan Oseledets et al.
Institute of Numerical Mathematics, Moscow, Russia
webpage: http://spring.inm.ras.ru/osel

For all questions, bugs and suggestions please mail
ivan.oseledets@gmail.com
---------------------------</pre></div>

<!-- crossreference -->
<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../../matlabicon.gif)">
</ul>
This function is called by:
<ul style="list-style-image:url(../../matlabicon.gif)">
<li><a href="../../tt2/misc/linqtt_to_qtttucker.html" class="code" title="function [qtu] = linqtt_to_qtttucker(tt, dims, eps)">linqtt_to_qtttucker</a>	function [qtu] = linqtt_to_qtttucker(tt, dims, eps)</li></ul>
<!-- crossreference -->



<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function [b]=chunk(b,i,j)</a>
0002 <span class="comment">%Cut the (i,j) part out of the TT-tensor</span>
0003 <span class="comment">%   [B]=CHUNK(B,I,J)</span>
0004 <span class="comment">%</span>
0005 <span class="comment">%</span>
0006 <span class="comment">% TT-Toolbox 2.2, 2009-2012</span>
0007 <span class="comment">%</span>
0008 <span class="comment">%This is TT Toolbox, written by Ivan Oseledets et al.</span>
0009 <span class="comment">%Institute of Numerical Mathematics, Moscow, Russia</span>
0010 <span class="comment">%webpage: http://spring.inm.ras.ru/osel</span>
0011 <span class="comment">%</span>
0012 <span class="comment">%For all questions, bugs and suggestions please mail</span>
0013 <span class="comment">%ivan.oseledets@gmail.com</span>
0014 <span class="comment">%---------------------------</span>
0015 
0016 <span class="keyword">if</span> ( i &gt; j ) 
0017  tmp=j; 
0018  j=i;
0019  i=tmp;
0020 <span class="keyword">end</span>
0021 ps=b.ps;
0022 r=b.r;
0023 n=b.n;
0024 cr=b.core;
0025 r=r(i:j+1); 
0026 n=n(i:j);
0027 cr=cr(ps(i):ps(j+1)-1);
0028 ps=ps(i:j+1);
0029 ps=ps-ps(1)+1;
0030 b.r=r;
0031 b.n=n;
0032 b.ps=ps;
0033 b.core=cr;
0034 b.d=numel(n);
0035 <span class="keyword">return</span>
0036 <span class="keyword">end</span></pre></div>
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